diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7e38b33..c2913ba 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,7 @@ name: YAPF Formatter
 #      https://docs.github.com/en/free-pro-team@latest/actions/reference/context-and-expression-syntax-for-github-actions
 
 # *TODO : Add a more informative commit message using variable interpolations
-# *TODO : check if we could pass --exclude argument to YAPF
+# *TODO : check if we could pass --exclude argument to YAPF, like e.g. --exclude '**/tests/**'
 
 # * NOTE : exit 0 : exit code 0 means 'success'
 
diff --git a/Dockerfile b/Dockerfile
index 17b2e28..da565fc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,8 @@ FROM python:3
 
 LABEL "com.github.actions.name"="yapf-formatter"
 LABEL "com.github.actions.description"="Run YAPF formatter for Python codes."
-
+LABEL "com.github.actions.icon"="check-circle"
+LABEL "com.github.actions.color"="gray-dark"
 LABEL "repository"="https://github.com/diegovalenzuelaiturra/yapf-action.git"
 LABEL "homepage"="https://github.com/diegovalenzuelaiturra/yapf-action"
 LABEL "maintainer"="Diego Valenzuela Iturra <diegovalenzuelaiturra@gmail.com>"
diff --git a/README.md b/README.md
index 1f922ae..4fe8552 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ A [GitHub action](https://github.com/diegovalenzuelaiturra/yapf-action) that run
 
 It will automatically commit the changes!
 
-An example worflow can be found at `.github/workflows/main.yml`
+An example workflow can be found at `.github/workflows/main.yml`
 
 ## Example Workflow
 
@@ -37,16 +37,6 @@ jobs:
           args: . --verbose --recursive --in-place --parallel
 
       - name: action metadata
-        # github.action     : the name of the action currently running.
-        # github.actor      : the login of the user that initiated the workflow run.
-        # github.event_name : The name of the event that triggered the workflow run.
-        # github.job        : The job_id of the current job.
-        # github.ref        : The branch or tag ref that triggered the workflow run.
-        # github.repository : The owner and repository name.
-        # github.run_id     : A unique number for each run within a repository. This number does not change if you re-run the workflow run.
-        # github.sha        : The commit SHA that triggered the workflow run.
-        # github.workflow   : The name of the workflow. If the workflow file doesn't specify a name, the value of this property is the full path of the workflow file in the repository.
-        # github.workspace  : The default working directory for steps and the default location of your repository when using the checkout action.
         run: |
           echo -e "action     : ${{ github.action }}"
           echo -e "actor      : ${{ github.actor }}"
@@ -86,3 +76,27 @@ git commit -m "Automation: YAPF Formatter" --all | exit 0
 ```
 
 For a full list of possible args checkout the [YAPF docs](https://github.com/google/yapf#Usage).
+
+---
+
+```yaml
+# github.action     : the name of the action currently running.
+
+# github.actor      : the login of the user that initiated the workflow run.
+
+# github.event_name : The name of the event that triggered the workflow run.
+
+# github.job        : The job_id of the current job.
+
+# github.ref        : The branch or tag ref that triggered the workflow run.
+
+# github.repository : The owner and repository name.
+
+# github.run_id     : A unique number for each run within a repository. This number does not change if you re-run the workflow run.
+
+# github.sha        : The commit SHA that triggered the workflow run.
+
+# github.workflow   : The name of the workflow. If the workflow file doesn't specify a name, the value of this property is the full path of the workflow file in the repository.
+
+# github.workspace  : The default working directory for steps and the default location of your repository when using the checkout action.
+```
diff --git a/action.yml b/action.yml
index 92ed6ca..c3c160e 100644
--- a/action.yml
+++ b/action.yml
@@ -1,7 +1,6 @@
-# action.yml
 name: "YAPF Formatter"
-
 description: "Runs YAPF code formatter for Python."
+author: Diego Valenzuela Iturra
 
 inputs:
   args: # id of input